return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2ClCCCl (1,3-dichloropropyne)

using model chemistry: B1B95/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-311G*
 hartrees
Energy at 0K-1035.939302
Energy at 298.15K-1035.940379
HF Energy-1035.939302
Nuclear repulsion energy217.137148
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B1B95/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3114 2985 11.66      
2 A' 2373 2275 99.88      
3 A' 1481 1420 2.62      
4 A' 1317 1263 58.15      
5 A' 1146 1099 0.55      
6 A' 720 690 84.50      
7 A' 640 614 29.99      
8 A' 419 402 0.99      
9 A' 288 276 1.46      
10 A' 93 89 1.26      
11 A" 3168 3037 1.27      
12 A" 1221 1171 1.07      
13 A" 920 882 1.18      
14 A" 328 314 0.02      
15 A" 183 175 8.42      

Unscaled Zero Point Vibrational Energy (zpe) 8705.8 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 8345.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B1B95/6-311G*
ABC
0.56265 0.03194 0.03040

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.168 0.230 0.000
C2 0.000 0.500 0.000
C3 -1.393 0.864 0.000
Cl4 2.754 -0.158 0.000
Cl5 -2.481 -0.574 0.000
H6 -1.650 1.442 0.885
H7 -1.650 1.442 -0.885

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.19922.63911.63243.73633.19273.1927
C21.19921.44012.83162.70342.09552.0955
C32.63911.44014.27151.80351.08751.0875
Cl41.63242.83164.27155.25114.76804.7680
Cl53.73632.70341.80355.25112.35372.3537
H63.19272.09551.08754.76802.35371.7703
H73.19272.09551.08754.76802.35371.7703

picture of 1,3-dichloropropyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 178.410 C2 C1 Cl4 179.328
C2 C3 Cl5 112.430 C2 C3 H6 111.236
C2 C3 H7 111.236 Cl5 C3 H6 106.357
Cl5 C3 H7 106.357 H6 C3 H7 108.968
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.319      
2 C 0.505      
3 C -0.678      
4 Cl -0.054      
5 Cl -0.052      
6 H 0.300      
7 H 0.300      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.711 1.696 0.000 1.839
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.837 -3.977 0.000
y -3.977 -40.989 0.000
z 0.000 0.000 -42.538
Traceless
 xyz
x -0.074 -3.977 0.000
y -3.977 1.198 0.000
z 0.000 0.000 -1.125
Polar
3z2-r2-2.249
x2-y2-0.848
xy-3.977
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.280 -0.234 0.000
y -0.234 5.543 0.000
z 0.000 0.000 3.938


<r2> (average value of r2) Å2
<r2> 302.981
(<r2>)1/2 17.406